$ git clone -n https://src.fedoraproject.org/rpms/rust-unic-char-property.git /var/lib/mock/f45-build-45854-828/root/chroot_tmpdir/scmroot/rust-unic-char-property
Cloning into '/var/lib/mock/f45-build-45854-828/root/chroot_tmpdir/scmroot/rust-unic-char-property'...
$ git fetch origin 3194a33614871fcd47a6767154683b3b0db5c5d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unic-char-property
 * [new ref]         3194a33614871fcd47a6767154683b3b0db5c5d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3194a33 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild